Features:
General Information
- Marketing Information: The TSU 120e is modular, full-featured T1/FT1 multiplexer designed to support a wide range of end-user applications.

Technical Information
- Communication Type: T1/Fractional T1
- Ports: EIA-232 Serial, 2 x 8-pin RJ-45 Connectors (Physical), 8-pin RJ-48C (Physical), 34-pin V.35 (Mechanical), 8-pin RJ-48C DSX-1 (Physical)
- Electrical Interface: CCITT V.35
- Network Interface: IEEE 802.3 10Mbps
- Data Transfer Rate: 1.544Mbps
- Data Transfer Rate (O.L.D): 1.544Mbps
- Data Encoding: AMI/B8ZS
- Input Signal: 0 to -36 dB
- Diagnostics Features: - Local: Payload, Line, and DTE Loopback

- Remote:

- Payload, Line, and DTE Loopback

- Fractional T1 Loopback: Per ANSI T1.403-1995, Annex B

- CSU Loopback (from Carrier Network)

- Test Pattern Generator and Detector:

- QRSS and 511 (selectable DS0s)

- All 0s and All 1s (transmit only)
- Management: SNMP

Power Description
- Input Voltage: 115V AC
- Frequency: 60Hz
- Power Consumption: 9W

Environmental Conditions
- Temperature: 0 to 45°C (Operating), 32 to 122°F (Operating), -20 to 70°C (Storage), -4 to 158°F (Storage)

Miscellaneous
- Additional Information: - Network Interface:

- Framing: D4(SF)/ESF, AT&T 54016 or ANSI T1.403

- DS0 Assignment: user selectable

- T1 Transmit Timing: Network, Secondary NI, Normal (CSU), Internal, Base DSX-1 or Base DTE



- V.35 DTE Interface:

- Clock Options: Normal/Inverted & Internal/External



- Dial BackUp:

- Accessible on base V.35 DTE Port

- Requires optional V.35 "Y" cable

- DBU Dialing: DTR dialing

- DBU Test: Loopback to DCE, Test dialup network, Force dial backup



- DSX-1 Interface:

- Line Interface: DSX-1 per ANSI T1.102

- Physical Interface: RJ-48C, modular 8-pin

- DSX-1 Framing: D4(SF)/ESF

- DSX-1 Line Code: AMI/B8ZS

- DSX-1 Line Length: 0 to 655 ft in 133 ft steps



- Testing and Troubleshooting:

- Local: Payload, Line, and DTE Loopback

- Remote:

- Payload, Line, and DTE Loopback

- Fractional T1 Loopback: Per ANSI T1.403-1995, Annex B

- CSU Loopback (from Carrier Network)

- Test Pattern Generator and Detector:

- QRSS and 511 (selectable DS0s)

- All 0s and All 1s (transmit only)

- Performance Monitoring:

- Error Counts: ES, SES, UAS, % AS, % EFSEC, Alarms and Error Rates

- Reports: NI information stored for last 24 hours (15-minute increments)

- PRMS: ANSI performance report messages

- Network & DSX-1 Interface Test Jacks:

- Bantam Jacks: TX, RX and RXMON



- Management Options and Interfaces:

- Control In/Control Out Ports:

- Interface: EIA-232, PC serial port, modem or SLIP connection to router

- Physical Connector: RJ-45, modular 8-pin SNMP/Telnet

- SLIP connection to router

- MIB II, RFC1213, and 1407 compliant

- ADTRAN Enterprise MIB for extended monitoring, 120e control/configuration and expansion module support

- Service: SNMP, Telnet, ICMP, ARP, PING, T-Watch PRO
- Bill of Materials: - One 6 ft. modular 8-pin to 8-pin cable

- Modular-tofemale DB-25 adapter

- Modular-to-female DB-15 adapter

- Two 15 ft modular T1 cables

- User manual
- Certifications & Standards: - UL 1950

- CUL

- FCC Part 15 (Class A)

- FCC Part 68

Physical Characteristics
- Dimensions: 3.12" (Height) x 8.5" (Width) x 12.5" (Depth)
- Shipping Dimensions: 6.00" (Height) x 12.00" (Width) x 17.00" (Depth)
- Weight: 4 lb
- Shipping Weight: 7.61 lb

Warranty & Support
- Standard Warranty: 5 Years - North American

Options and Accessories:
Services
647042 - MAINTENANCE SITE 3YR NBD TSU 1XXX OCU 45 TA 624 - 1100303M5
645537 - MAINTENANCE SITE 1YR NBD TSU 1XXX OCU 45 TA 624 - 1100203M5
645794 - ACES - 1 Year - 8x5x4 Hours - Hardware Service > Delivery of replacement unit (Electronic & Physical Service) - 1100204M5
646011 - MAINTENANCE SITE 24X7 4HR 1YR TSU 1XXX OCU 45 TA 624 - 1100205M5
647278 - MAINTENANCE SITE 3YR 5X8 4HR TSU 1XXX OCU 45 TA 624 - 1100304M5
646872 - MAINTENANCE 3YR 24X7 4HR TSU 1XXX OCU 45 TA 624 - 1100302M5
643323 - INSTALL REMOTE SUPPORT DSU III OCU45 TSUIQ+ TSU 1XX - 1100101L2
643500 - ONSITE INSTALL DSU III OCU45 TSUIQ+ TSU 1XX - 1100102L2
644991 - MAINTENANCE 1YR 5X8 NBD TSU TDU OCU45 TA624 - 1100201M5
645351 - MAINTENANCE 1YR 24X7 4HR TSU TDU OCU45 TA624 - 1100202M5
646269 - MAINTENANCE 3YR 5X8 NBD TSU 1XXX OCU 45 TA 624 - 1100301M5

GENERAL INFORMATION- MANUFACTURER: ADTRAN
- MANUFACTURER PART NUMBER: 1202129L1
- PRODUCT NAME: TSU 120E T1/FRACTIONAL T1 DSU
- MARKETING INFORMATION: THE TSU 120E IS MODULAR FULL-FEATURED
T1/FT1 MULTIPLEXER DESIGNED TO SUPPORT A WIDE RANGE OF END-USER
APPLICATIONS.
- PRODUCT TYPE: T1/FRACTIONAL T1

INTERFACES/PORTS
- PORTS: EIA-232 SERIAL
- PORTS: 2 X 8-PIN RJ-45 CONNECTOR(S) PHYSICAL
- PORTS: 34-PIN SERIAL V.35 MECHANICAL
- PORTS: 8-PIN RJ-48C DSX-1 PHYSICAL
- PORTS: 8-PIN RJ-48C PHYSICAL
- NETWORK INTERFACE: IEEE 802.3 10MBPS
- ELECTRICAL INTERFACE: CCITT V.35

MEDIA & PERFORMANCE
- DATA TRANSFER RATE: 1.544MBPS

MANAGEMENT & PROTOCOLS
- MANAGEMENT: SNMP

PHYSICAL CHARACTERISTICS
- DIMENSIONS: 3.12 HEIGHT X 8.5 WIDTH X 12.5 DEPTH
- WEIGHT: 4 LB

WARRANTY
- STANDARD WARRANTY: 5 YEAR(S) - NORTH AMERICAN